A) moving body B) virtue of its position C) static body D) All of the above
A) kilogram B) Joules C) Newton D) Newton metre
A) 40j B) 30j C) 10j D) 20j
A) electrical potential energy B) mechanical potential energy C) chemical potential energy D) Nuclear potential energy
A) motion B) all of the above C) rest D) none of the above
A) joules B) meter C) seconds D) Newton
A) earth B) Mercury C) Jupiter D) Uranus
A) Mercury B) Pluto C) Saturn D) Mars
A) Saturn B) Neptune C) earth D) Jupiter
A) Saturn B) Mercury C) Jupiter D) Mars
A) energy and power B) planets and moon C) stars and galaxies D) all of the above
A) 363 B) 365 C) 366 D) 364
A) 38m B) 450j C) 350N D) 380j
A) 365.24days B) 367 days C) 366 days D) 365 days
A) bush burning B) farming C) soil erosion D) rainfall
A) job B) walk C) work D) chore
A) transportation, transpiration and evaporation B) evaporation, condensation and precipitation C) All of the above D) conducting, convection and radiation
A) ultraviolet and infrared B) visible and invisible C) none of the above D) white and black
A) electromagnetic radiation B) electromagnetic radio C) electronic management radiation D) electrical magnet radio
A) gully B) rill C) sheet D) slurry
A) Human B) Livings things C) Woman D) Man
A) cover B) covering sheet C) mulching D) cover crops
A) terracing B) all of the above C) blocking D) fencing
A) avoid overgrazing B) planting of cover crops C) deforestation D) mulching
A) 77% B) 79% C) 76% D) 78%
A) radiation B) precipitation C) evaporation D) condensation
A) water B) food C) fuel D) air
A) carbon cycle B) oxygen cycle C) water cycle D) nitrogen cycle
A) humanitarian B) economical C) agricultural D) ecological
A) collation B) harvesting C) collection D) conversation
A) water B) liquid C) fuel D) air
A) primary and secondary hardness B) permanent and temporary hardness C) stable and unstable hardness D) tertiary and primary hardness
A) pure substance B) two pure substances C) none of the above D) impure substance
A) all of the above B) homogeneity C) chemical test D) melting and boiling points
A) purity B) neat substance C) pure substance D) clean substance
A) potential of hydrogen B) potential of hydrogen peroxide C) potential of hydrogen oxide D) potential of helium
A) ammoniation B) coagulation C) fluoridation D) filtration
A) calcium and magnesium B) magnesium and aluminum C) aluminum and manganese D) sulphur and ammonium
A) boiling B) ion exchange resin C) washing soda D) caustic soda
A) maybe B) none of the above C) true D) false
A) using of fluoride B) using of slaked lime C) addition of washing soda D) boiling
A) adding of magnesium B) adding of aluminum C) adding of ammonium D) adding of chlorine
A) improve taste B) remove hardness C) increase pH D) clarify the water
A) lime treatment B) ammoniation C) chlorination D) transpiration
A) kilometer B) kilogram C) Newton D) joules
A) destroy soil structure B) loss soil fertility C) maintains soil texture D) lead to collapse of buildin
A) land pollution B) air pollution C) sand pollution D) water pollution
A) evaporation B) condensation C) precipitation D) convection
A) 3000j B) 30j C) 3kj D) 300j
A) agrochemicals B) laboratory chemicals C) pharmaceutical chemicals D) nuclear chemicals |